2 wd vs 4 wd to Alaska?

It's simple. Forget about just thinking about Alaska. Your truck and new camper are going to take you on many adventures. Get the 4X4 now and be totally ready for anything you may do in the future. Snow, ice, mud, stuck in soft shoulder, or simply being able to pull someone else out that's stuck. The confidence it gives you is well worth the extra money now. Remember that in most marginal snow conditions (I live in a ski resort)R2 conditions require 4X4 or you must install chains. The 4X4 is a no brainer for a truck anytime, especially with a camper. I would never buy a truck without 4X4. --- Oh, and buy the way, make sure you get a limited slip differential on it. Without limited slip only one rear wheel will drive.